diff options
Diffstat (limited to 'lib/Basic')
-rw-r--r-- | lib/Basic/Builtins.cpp | 18 | ||||
-rw-r--r-- | lib/Basic/ConvertUTF.c | 606 | ||||
-rw-r--r-- | lib/Basic/Diagnostic.cpp | 98 | ||||
-rw-r--r-- | lib/Basic/FileManager.cpp | 57 | ||||
-rw-r--r-- | lib/Basic/IdentifierTable.cpp | 58 | ||||
-rw-r--r-- | lib/Basic/SourceLocation.cpp | 4 | ||||
-rw-r--r-- | lib/Basic/SourceManager.cpp | 200 | ||||
-rw-r--r-- | lib/Basic/TargetInfo.cpp | 50 | ||||
-rw-r--r-- | lib/Basic/Targets.cpp | 74 |
9 files changed, 582 insertions, 583 deletions
diff --git a/lib/Basic/Builtins.cpp b/lib/Basic/Builtins.cpp index 6cb5dab53d..1a3293775e 100644 --- a/lib/Basic/Builtins.cpp +++ b/lib/Basic/Builtins.cpp @@ -34,7 +34,7 @@ Builtin::Context::Context(const TargetInfo &Target) { // Get the target specific builtins from the target. TSRecords = 0; NumTSRecords = 0; - Target.getTargetBuiltins(TSRecords, NumTSRecords); + Target.getTargetBuiltins(TSRecords, NumTSRecords); } /// InitializeBuiltins - Mark the identifiers for all the builtins with their @@ -51,13 +51,13 @@ void Builtin::Context::InitializeBuiltins(IdentifierTable &Table, // Step #2: Register target-specific builtins. for (unsigned i = 0, e = NumTSRecords; i != e; ++i) if (!TSRecords[i].Suppressed && - (!NoBuiltins || - (TSRecords[i].Attributes && + (!NoBuiltins || + (TSRecords[i].Attributes && !strchr(TSRecords[i].Attributes, 'f')))) Table.get(TSRecords[i].Name).setBuiltinID(i+Builtin::FirstTSBuiltin); } -void +void Builtin::Context::GetBuiltinNames(llvm::SmallVectorImpl<const char *> &Names, bool NoBuiltins) { // Final all target-independent names @@ -65,18 +65,18 @@ Builtin::Context::GetBuiltinNames(llvm::SmallVectorImpl<const char *> &Names, if (!BuiltinInfo[i].Suppressed && (!NoBuiltins || !strchr(BuiltinInfo[i].Attributes, 'f'))) Names.push_back(BuiltinInfo[i].Name); - + // Find target-specific names. for (unsigned i = 0, e = NumTSRecords; i != e; ++i) if (!TSRecords[i].Suppressed && - (!NoBuiltins || - (TSRecords[i].Attributes && + (!NoBuiltins || + (TSRecords[i].Attributes && !strchr(TSRecords[i].Attributes, 'f')))) Names.push_back(TSRecords[i].Name); } -bool -Builtin::Context::isPrintfLike(unsigned ID, unsigned &FormatIdx, +bool +Builtin::Context::isPrintfLike(unsigned ID, unsigned &FormatIdx, bool &HasVAListArg) { const char *Printf = strpbrk(GetRecord(ID).Attributes, "pP"); if (!Printf) diff --git a/lib/Basic/ConvertUTF.c b/lib/Basic/ConvertUTF.c index e5dd3e6bf5..124e386c55 100644 --- a/lib/Basic/ConvertUTF.c +++ b/lib/Basic/ConvertUTF.c @@ -34,10 +34,10 @@ Author: Mark E. Davis, 1994. Rev History: Rick McGowan, fixes & updates May 2001. Sept 2001: fixed const & error conditions per - mods suggested by S. Parent & A. Lillich. + mods suggested by S. Parent & A. Lillich. June 2002: Tim Dodd added detection and handling of incomplete - source sequences, enhanced error detection, added casts - to eliminate compiler warnings. + source sequences, enhanced error detection, added casts + to eliminate compiler warnings. July 2003: slight mods to back out aggressive FFFE detection. Jan 2004: updated switches in from-UTF8 conversions. Oct 2004: updated to use UNI_MAX_LEGAL_UTF32 in UTF-32 conversions. @@ -61,8 +61,8 @@ static const UTF32 halfMask = 0x3FFUL; #define UNI_SUR_HIGH_END (UTF32)0xDBFF #define UNI_SUR_LOW_START (UTF32)0xDC00 #define UNI_SUR_LOW_END (UTF32)0xDFFF -#define false 0 -#define true 1 +#define false 0 +#define true 1 /* --------------------------------------------------------------------- */ @@ -90,7 +90,7 @@ static const char trailingBytesForUTF8[256] = { * in a UTF-8 sequence. */ static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL, - 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; + 0x03C82080UL, 0xFA082080UL, 0x82082080UL }; /* * Once the bits are split out into bytes of UTF-8, this is a mask OR-ed @@ -116,46 +116,46 @@ static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC /* --------------------------------------------------------------------- */ ConversionResult ConvertUTF32toUTF16 ( - const UTF32** sourceStart, const UTF32* sourceEnd, - UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) { + const UTF32** sourceStart, const UTF32* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) { ConversionResult result = conversionOK; const UTF32* source = *sourceStart; UTF16* target = *targetStart; while (source < sourceEnd) { - UTF32 ch; - if (target >= targetEnd) { - result = targetExhausted; break; - } - ch = *source++; - if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ - /* UTF-16 surrogate values are illegal in UTF-32; 0xffff or 0xfffe are both reserved values */ - if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { - if (flags == strictConversion) { - --source; /* return to the illegal value itself */ - result = sourceIllegal; - break; - } else { - *target++ = UNI_REPLACEMENT_CHAR; - } - } else { - *target++ = (UTF16)ch; /* normal case */ - } - } else if (ch > UNI_MAX_LEGAL_UTF32) { - if (flags == strictConversion) { - result = sourceIllegal; - } else { - *target++ = UNI_REPLACEMENT_CHAR; - } - } else { - /* target is a character in range 0xFFFF - 0x10FFFF. */ - if (target + 1 >= targetEnd) { - --source; /* Back up source pointer! */ - result = targetExhausted; break; - } - ch -= halfBase; - *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START); - *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START); - } + UTF32 ch; + if (target >= targetEnd) { + result = targetExhausted; break; + } + ch = *source++; + if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ + /* UTF-16 surrogate values are illegal in UTF-32; 0xffff or 0xfffe are both reserved values */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + if (flags == strictConversion) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + *target++ = (UTF16)ch; /* normal case */ + } + } else if (ch > UNI_MAX_LEGAL_UTF32) { + if (flags == strictConversion) { + result = sourceIllegal; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + /* target is a character in range 0xFFFF - 0x10FFFF. */ + if (target + 1 >= targetEnd) { + --source; /* Back up source pointer! */ + result = targetExhausted; break; + } + ch -= halfBase; + *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START); + *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START); + } } *sourceStart = source; *targetStart = target; @@ -165,48 +165,48 @@ ConversionResult ConvertUTF32toUTF16 ( /* --------------------------------------------------------------------- */ ConversionResult ConvertUTF16toUTF32 ( - const UTF16** sourceStart, const UTF16* sourceEnd, - UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) { + const UTF16** sourceStart, const UTF16* sourceEnd, + UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) { ConversionResult result = conversionOK; const UTF16* source = *sourceStart; UTF32* target = *targetStart; UTF32 ch, ch2; while (source < sourceEnd) { - const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */ - ch = *source++; - /* If we have a surrogate pair, convert to UTF32 first. */ - if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) { - /* If the 16 bits following the high surrogate are in the source buffer... */ - if (source < sourceEnd) { - ch2 = *source; - /* If it's a low surrogate, convert to UTF32. */ - if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { - ch = ((ch - UNI_SUR_HIGH_START) << halfShift) - + (ch2 - UNI_SUR_LOW_START) + halfBase; - ++source; - } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ - --source; /* return to the illegal value itself */ - result = sourceIllegal; - break; - } - } else { /* We don't have the 16 bits following the high surrogate. */ - --source; /* return to the high surrogate */ - result = sourceExhausted; - break; - } - } else if (flags == strictConversion) { - /* UTF-16 surrogate values are illegal in UTF-32 */ - if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) { - --source; /* return to the illegal value itself */ - result = sourceIllegal; - break; - } - } - if (target >= targetEnd) { - source = oldSource; /* Back up source pointer! */ - result = targetExhausted; break; - } - *target++ = ch; + const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */ + ch = *source++; + /* If we have a surrogate pair, convert to UTF32 first. */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) { + /* If the 16 bits following the high surrogate are in the source buffer... */ + if (source < sourceEnd) { + ch2 = *source; + /* If it's a low surrogate, convert to UTF32. */ + if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { + ch = ((ch - UNI_SUR_HIGH_START) << halfShift) + + (ch2 - UNI_SUR_LOW_START) + halfBase; + ++source; + } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } else { /* We don't have the 16 bits following the high surrogate. */ + --source; /* return to the high surrogate */ + result = sourceExhausted; + break; + } + } else if (flags == strictConversion) { + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } + if (target >= targetEnd) { + source = oldSource; /* Back up source pointer! */ + result = targetExhausted; break; + } + *target++ = ch; } *sourceStart = source; *targetStart = target; @@ -219,67 +219,67 @@ if (result == sourceIllegal) { return result; } ConversionResult ConvertUTF16toUTF8 ( - const UTF16** sourceStart, const UTF16* sourceEnd, - UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) { + const UTF16** sourceStart, const UTF16* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) { ConversionResult result = conversionOK; const UTF16* source = *sourceStart; UTF8* target = *targetStart; while (source < sourceEnd) { - UTF32 ch; - unsigned short bytesToWrite = 0; - const UTF32 byteMask = 0xBF; - const UTF32 byteMark = 0x80; - const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */ - ch = *source++; - /* If we have a surrogate pair, convert to UTF32 first. */ - if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) { - /* If the 16 bits following the high surrogate are in the source buffer... */ - if (source < sourceEnd) { - UTF32 ch2 = *source; - /* If it's a low surrogate, convert to UTF32. */ - if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { - ch = ((ch - UNI_SUR_HIGH_START) << halfShift) - + (ch2 - UNI_SUR_LOW_START) + halfBase; - ++source; - } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ - --source; /* return to the illegal value itself */ - result = sourceIllegal; - break; - } - } else { /* We don't have the 16 bits following the high surrogate. */ - --source; /* return to the high surrogate */ - result = sourceExhausted; - break; - } - } else if (flags == strictConversion) { - /* UTF-16 surrogate values are illegal in UTF-32 */ - if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) { - --source; /* return to the illegal value itself */ - result = sourceIllegal; - break; - } - } - /* Figure out how many bytes the result will require */ - if (ch < (UTF32)0x80) { bytesToWrite = 1; - } else if (ch < (UTF32)0x800) { bytesToWrite = 2; - } else if (ch < (UTF32)0x10000) { bytesToWrite = 3; - } else if (ch < (UTF32)0x110000) { bytesToWrite = 4; - } else { bytesToWrite = 3; - ch = UNI_REPLACEMENT_CHAR; - } - - target += bytesToWrite; - if (target > targetEnd) { - source = oldSource; /* Back up source pointer! */ - target -= bytesToWrite; result = targetExhausted; break; - } - switch (bytesToWrite) { /* note: everything falls through. */ - case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; - case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; - case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; - case 1: *--target = (UTF8)(ch | firstByteMark[bytesToWrite]); - } - target += bytesToWrite; + UTF32 ch; + unsigned short bytesToWrite = 0; + const UTF32 byteMask = 0xBF; + const UTF32 byteMark = 0x80; + const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */ + ch = *source++; + /* If we have a surrogate pair, convert to UTF32 first. */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) { + /* If the 16 bits following the high surrogate are in the source buffer... */ + if (source < sourceEnd) { + UTF32 ch2 = *source; + /* If it's a low surrogate, convert to UTF32. */ + if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) { + ch = ((ch - UNI_SUR_HIGH_START) << halfShift) + + (ch2 - UNI_SUR_LOW_START) + halfBase; + ++source; + } else if (flags == strictConversion) { /* it's an unpaired high surrogate */ + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } else { /* We don't have the 16 bits following the high surrogate. */ + --source; /* return to the high surrogate */ + result = sourceExhausted; + break; + } + } else if (flags == strictConversion) { + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } + /* Figure out how many bytes the result will require */ + if (ch < (UTF32)0x80) { bytesToWrite = 1; + } else if (ch < (UTF32)0x800) { bytesToWrite = 2; + } else if (ch < (UTF32)0x10000) { bytesToWrite = 3; + } else if (ch < (UTF32)0x110000) { bytesToWrite = 4; + } else { bytesToWrite = 3; + ch = UNI_REPLACEMENT_CHAR; + } + + target += bytesToWrite; + if (target > targetEnd) { + source = oldSource; /* Back up source pointer! */ + target -= bytesToWrite; result = targetExhausted; break; + } + switch (bytesToWrite) { /* note: everything falls through. */ + case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 1: *--target = (UTF8)(ch | firstByteMark[bytesToWrite]); + } + target += bytesToWrite; } *sourceStart = source; *targetStart = target; @@ -289,50 +289,50 @@ ConversionResult ConvertUTF16toUTF8 ( /* --------------------------------------------------------------------- */ ConversionResult ConvertUTF32toUTF8 ( - const UTF32** sourceStart, const UTF32* sourceEnd, - UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) { + const UTF32** sourceStart, const UTF32* sourceEnd, + UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) { ConversionResult result = conversionOK; const UTF32* source = *sourceStart; UTF8* target = *targetStart; while (source < sourceEnd) { - UTF32 ch; - unsigned short bytesToWrite = 0; - const UTF32 byteMask = 0xBF; - const UTF32 byteMark = 0x80; - ch = *source++; - if (flags == strictConversion ) { - /* UTF-16 surrogate values are illegal in UTF-32 */ - if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { - --source; /* return to the illegal value itself */ - result = sourceIllegal; - break; - } - } - /* - * Figure out how many bytes the result will require. Turn any - * illegally large UTF32 things (> Plane 17) into replacement chars. - */ - if (ch < (UTF32)0x80) { bytesToWrite = 1; - } else if (ch < (UTF32)0x800) { bytesToWrite = 2; - } else if (ch < (UTF32)0x10000) { bytesToWrite = 3; - } else if (ch <= UNI_MAX_LEGAL_UTF32) { bytesToWrite = 4; - } else { bytesToWrite = 3; - ch = UNI_REPLACEMENT_CHAR; - result = sourceIllegal; - } - - target += bytesToWrite; - if (target > targetEnd) { - --source; /* Back up source pointer! */ - target -= bytesToWrite; result = targetExhausted; break; - } - switch (bytesToWrite) { /* note: everything falls through. */ - case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; - case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; - case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; - case 1: *--target = (UTF8) (ch | firstByteMark[bytesToWrite]); - } - target += bytesToWrite; + UTF32 ch; + unsigned short bytesToWrite = 0; + const UTF32 byteMask = 0xBF; + const UTF32 byteMark = 0x80; + ch = *source++; + if (flags == strictConversion ) { + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + --source; /* return to the illegal value itself */ + result = sourceIllegal; + break; + } + } + /* + * Figure out how many bytes the result will require. Turn any + * illegally large UTF32 things (> Plane 17) into replacement chars. + */ + if (ch < (UTF32)0x80) { bytesToWrite = 1; + } else if (ch < (UTF32)0x800) { bytesToWrite = 2; + } else if (ch < (UTF32)0x10000) { bytesToWrite = 3; + } else if (ch <= UNI_MAX_LEGAL_UTF32) { bytesToWrite = 4; + } else { bytesToWrite = 3; + ch = UNI_REPLACEMENT_CHAR; + result = sourceIllegal; + } + + target += bytesToWrite; + if (target > targetEnd) { + --source; /* Back up source pointer! */ + target -= bytesToWrite; result = targetExhausted; break; + } + switch (bytesToWrite) { /* note: everything falls through. */ + case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6; + case 1: *--target = (UTF8) (ch | firstByteMark[bytesToWrite]); + } + target += bytesToWrite; } *sourceStart = source; *targetStart = target; @@ -342,59 +342,59 @@ ConversionResult ConvertUTF32toUTF8 ( /* --------------------------------------------------------------------- */ ConversionResult ConvertUTF8toUTF32 ( - const UTF8** sourceStart, const UTF8* sourceEnd, - UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) { + const UTF8** sourceStart, const UTF8* sourceEnd, + UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) { ConversionResult result = conversionOK; const UTF8* source = *sourceStart; UTF32* target = *targetStart; while (source < sourceEnd) { - UTF32 ch = 0; - unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; - if (source + extraBytesToRead >= sourceEnd) { - result = sourceExhausted; break; - } - /* Do this check whether lenient or strict */ - if (!isLegalUTF8(source, extraBytesToRead+1)) { - result = sourceIllegal; - break; - } - /* - * The cases all fall through. See "Note A" below. - */ - switch (extraBytesToRead) { - case 5: ch += *source++; ch <<= 6; - case 4: ch += *source++; ch <<= 6; - case 3: ch += *source++; ch <<= 6; - case 2: ch += *source++; ch <<= 6; - case 1: ch += *source++; ch <<= 6; - case 0: ch += *source++; - } - ch -= offsetsFromUTF8[extraBytesToRead]; - - if (target >= targetEnd) { - source -= (extraBytesToRead+1); /* Back up the source pointer! */ - result = targetExhausted; break; - } - if (ch <= UNI_MAX_LEGAL_UTF32) { - /* - * UTF-16 surrogate values are illegal in UTF-32, and anything - * over Plane 17 (> 0x10FFFF) is illegal. - */ - if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { - if (flags == strictConversion) { - source -= (extraBytesToRead+1); /* return to the illegal value itself */ - result = sourceIllegal; - break; - } else { - *target++ = UNI_REPLACEMENT_CHAR; - } - } else { - *target++ = ch; - } - } else { /* i.e., ch > UNI_MAX_LEGAL_UTF32 */ - result = sourceIllegal; - *target++ = UNI_REPLACEMENT_CHAR; - } + UTF32 ch = 0; + unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; + if (source + extraBytesToRead >= sourceEnd) { + result = sourceExhausted; break; + } + /* Do this check whether lenient or strict */ + if (!isLegalUTF8(source, extraBytesToRead+1)) { + result = sourceIllegal; + break; + } + /* + * The cases all fall through. See "Note A" below. + */ + switch (extraBytesToRead) { + case 5: ch += *source++; ch <<= 6; + case 4: ch += *source++; ch <<= 6; + case 3: ch += *source++; ch <<= 6; + case 2: ch += *source++; ch <<= 6; + case 1: ch += *source++; ch <<= 6; + case 0: ch += *source++; + } + ch -= offsetsFromUTF8[extraBytesToRead]; + + if (target >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up the source pointer! */ + result = targetExhausted; break; + } + if (ch <= UNI_MAX_LEGAL_UTF32) { + /* + * UTF-16 surrogate values are illegal in UTF-32, and anything + * over Plane 17 (> 0x10FFFF) is illegal. + */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + if (flags == strictConversion) { + source -= (extraBytesToRead+1); /* return to the illegal value itself */ + result = sourceIllegal; + break; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + *target++ = ch; + } + } else { /* i.e., ch > UNI_MAX_LEGAL_UTF32 */ + result = sourceIllegal; + *target++ = UNI_REPLACEMENT_CHAR; + } } *sourceStart = source; *targetStart = target; @@ -420,19 +420,19 @@ static Boolean isLegalUTF8(const UTF8 *source, int length) { const UTF8 *srcptr = source+length; switch (length) { default: return false; - /* Everything else falls through when "true"... */ + /* Everything else falls through when "true"... */ case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false; case 2: if ((a = (*--srcptr)) > 0xBF) return false; - switch (*source) { - /* no fall-through in this inner switch */ - case 0xE0: if (a < 0xA0) return false; break; - case 0xED: if (a > 0x9F) return false; break; - case 0xF0: if (a < 0x90) return false; break; - case 0xF4: if (a > 0x8F) return false; break; - default: if (a < 0x80) return false; - } + switch (*source) { + /* no fall-through in this inner switch */ + case 0xE0: if (a < 0xA0) return false; break; + case 0xED: if (a > 0x9F) return false; break; + case 0xF0: if (a < 0x90) return false; break; + case 0xF4: if (a > 0x8F) return false; break; + default: if (a < 0x80) return false; + } case 1: if (*source >= 0x80 && *source < 0xC2) return false; } @@ -449,7 +449,7 @@ static Boolean isLegalUTF8(const UTF8 *source, int length) { Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd) { int length = trailingBytesForUTF8[*source]+1; if (source+length > sourceEnd) { - return false; + return false; } return isLegalUTF8(source, length); } @@ -457,70 +457,70 @@ Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd) { /* --------------------------------------------------------------------- */ ConversionResult ConvertUTF8toUTF16 ( - const UTF8** sourceStart, const UTF8* sourceEnd, - UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) { + const UTF8** sourceStart, const UTF8* sourceEnd, + UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) { ConversionResult result = conversionOK; const UTF8* source = *sourceStart; UTF16* target = *targetStart; while (source < sourceEnd) { - UTF32 ch = 0; - unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; - if (source + extraBytesToRead >= sourceEnd) { - result = sourceExhausted; break; - } - /* Do this check whether lenient or strict */ - if (!isLegalUTF8(source, extraBytesToRead+1)) { - result = sourceIllegal; - break; - } - /* - * The cases all fall through. See "Note A" below. - */ - switch (extraBytesToRead) { - case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ - case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ - case 3: ch += *source++; ch <<= 6; - case 2: ch += *source++; ch <<= 6; - case 1: ch += *source++; ch <<= 6; - case 0: ch += *source++; - } - ch -= offsetsFromUTF8[extraBytesToRead]; - - if (target >= targetEnd) { - source -= (extraBytesToRead+1); /* Back up source pointer! */ - result = targetExhausted; break; - } - if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ - /* UTF-16 surrogate values are illegal in UTF-32 */ - if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { - if (flags == strictConversion) { - source -= (extraBytesToRead+1); /* return to the illegal value itself */ - result = sourceIllegal; - break; - } else { - *target++ = UNI_REPLACEMENT_CHAR; - } - } else { - *target++ = (UTF16)ch; /* normal case */ - } - } else if (ch > UNI_MAX_UTF16) { - if (flags == strictConversion) { - result = sourceIllegal; - source -= (extraBytesToRead+1); /* return to the start */ - break; /* Bail out; shouldn't continue */ - } else { - *target++ = UNI_REPLACEMENT_CHAR; - } - } else { - /* target is a character in range 0xFFFF - 0x10FFFF. */ - if (target + 1 >= targetEnd) { - source -= (extraBytesToRead+1); /* Back up source pointer! */ - result = targetExhausted; break; - } - ch -= halfBase; - *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START); - *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START); - } + UTF32 ch = 0; + unsigned short extraBytesToRead = trailingBytesForUTF8[*source]; + if (source + extraBytesToRead >= sourceEnd) { + result = sourceExhausted; break; + } + /* Do this check whether lenient or strict */ + if (!isLegalUTF8(source, extraBytesToRead+1)) { + result = sourceIllegal; + break; + } + /* + * The cases all fall through. See "Note A" below. + */ + switch (extraBytesToRead) { + case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ + case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */ + case 3: ch += *source++; ch <<= 6; + case 2: ch += *source++; ch <<= 6; + case 1: ch += *source++; ch <<= 6; + case 0: ch += *source++; + } + ch -= offsetsFromUTF8[extraBytesToRead]; + + if (target >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up source pointer! */ + result = targetExhausted; break; + } + if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */ + /* UTF-16 surrogate values are illegal in UTF-32 */ + if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) { + if (flags == strictConversion) { + source -= (extraBytesToRead+1); /* return to the illegal value itself */ + result = sourceIllegal; + break; + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + *target++ = (UTF16)ch; /* normal case */ + } + } else if (ch > UNI_MAX_UTF16) { + if (flags == strictConversion) { + result = sourceIllegal; + source -= (extraBytesToRead+1); /* return to the start */ + break; /* Bail out; shouldn't continue */ + } else { + *target++ = UNI_REPLACEMENT_CHAR; + } + } else { + /* target is a character in range 0xFFFF - 0x10FFFF. */ + if (target + 1 >= targetEnd) { + source -= (extraBytesToRead+1); /* Back up source pointer! */ + result = targetExhausted; break; + } + ch -= halfBase; + *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START); + *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START); + } } *sourceStart = source; *targetStart = target; @@ -533,14 +533,14 @@ ConversionResult ConvertUTF8toUTF16 ( The fall-through switches in UTF-8 reading code save a temp variable, some decrements & conditionals. The switches are equivalent to the following loop: - { - int tmpBytesToRead = extraBytesToRead+1; - do { - ch += *source++; - --tmpBytesToRead; - if (tmpBytesToRead) ch <<= 6; - } while (tmpBytesToRead > 0); - } + { + int tmpBytesToRead = extraBytesToRead+1; + do { + ch += *source++; + --tmpBytesToRead; + if (tmpBytesToRead) ch <<= 6; + } while (tmpBytesToRead > 0); + } In UTF-8 writing code, the switches on "bytesToWrite" are similarly unrolled loops. diff --git a/lib/Basic/Diagnostic.cpp b/lib/Basic/Diagnostic.cpp index 922702fdf5..81d19cc826 100644 --- a/lib/Basic/Diagnostic.cpp +++ b/lib/Basic/Diagnostic.cpp @@ -49,7 +49,7 @@ struct StaticDiagInfoRec { bool SFINAE : 1; const char *Description; const char *OptionGroup; - + bool operator<(const StaticDiagInfoRec &RHS) const { return DiagID < RHS.DiagID; } @@ -88,16 +88,16 @@ static const StaticDiagInfoRec *GetDiagInfo(unsigned DiagID) { IsFirst = false; } #endif - + // Search the diagnostic table with a binary search. StaticDiagInfoRec Find = { DiagID, 0, 0, 0, 0, 0 }; - + const StaticDiagInfoRec *Found = std::lower_bound(StaticDiagInfo, StaticDiagInfo + NumDiagEntries, Find); if (Found == StaticDiagInfo + NumDiagEntries || Found->DiagID != DiagID) return 0; - + return Found; } @@ -141,7 +141,7 @@ namespace clang { std::vector<DiagDesc> DiagInfo; std::map<DiagDesc, unsigned> DiagIDs; public: - + /// getDescription - Return the description of the specified custom /// diagnostic. const char *getDescription(unsigned DiagID) const { @@ -149,14 +149,14 @@ namespace clang { "Invalid diagnosic ID"); return DiagInfo[DiagID-DIAG_UPPER_LIMIT].second.c_str(); } - + /// getLevel - Return the level of the specified custom diagnostic. Diagnostic::Level getLevel(unsigned DiagID) const { assert(this && DiagID-DIAG_UPPER_LIMIT < DiagInfo.size() && "Invalid diagnosic ID"); return DiagInfo[DiagID-DIAG_UPPER_LIMIT].first; } - + unsigned getOrCreateDiagID(Diagnostic::Level L, const char *Message, Diagnostic &Diags) { DiagDesc D(L, Message); @@ -164,7 +164,7 @@ namespace clang { std::map<DiagDesc, unsigned>::iterator I = DiagIDs.lower_bound(D); if (I != DiagIDs.end() && I->first == D) return I->second; - + // If not, assign a new ID. unsigned ID = DiagInfo.size()+DIAG_UPPER_LIMIT; DiagIDs.insert(std::make_pair(D, ID)); @@ -172,9 +172,9 @@ namespace clang { return ID; } }; - - } // end diag namespace -} // end clang namespace + + } // end diag namespace +} // end clang namespace //===----------------------------------------------------------------------===// @@ -197,7 +197,7 @@ Diagnostic::Diagnostic(DiagnosticClient *client) : Client(client) { WarningsAsErrors = false; SuppressSystemWarnings = false; ExtBehavior = Ext_Ignore; - + ErrorOccurred = false; FatalErrorOccurred = false; NumDiagnostics = 0; @@ -206,10 +206,10 @@ Diagnostic::Diagnostic(DiagnosticClient *client) : Client(client) { CustomDiagInfo = 0; CurDiagID = ~0U; LastDiagLevel = Ignored; - + ArgToStringFn = DummyArgToStringFn; ArgToStringCookie = 0; - + // Set all mappings to 'unset'. DiagMappings BlankDiags(diag::DIAG_UPPER_LIMIT/2, 0); DiagMappingsStack.push_back(BlankDiags); @@ -236,7 +236,7 @@ bool Diagnostic::popMappings() { /// and level. If this is the first request for this diagnosic, it is /// registered and created, otherwise the existing ID is returned. unsigned Diagnostic::getCustomDiagID(Level L, const char *Message) { - if (CustomDiagInfo == 0) + if (CustomDiagInfo == 0) CustomDiagInfo = new diag::CustomDiagInfo(); return CustomDiagInfo->getOrCreateDiagID(L, Message, *this); } @@ -282,7 +282,7 @@ Diagnostic::Level Diagnostic::getDiagnosticLevel(unsigned DiagID) const { // Handle custom diagnostics, which cannot be mapped. if (DiagID >= diag::DIAG_UPPER_LIMIT) return CustomDiagInfo->getLevel(DiagID); - + unsigned DiagClass = getBuiltinDiagClass(DiagID); assert(DiagClass != CLASS_NOTE && "Cannot get diagnostic level of a note!"); return getDiagnosticLevel(DiagID, DiagClass); @@ -296,14 +296,14 @@ Diagnostic::getDiagnosticLevel(unsigned DiagID, unsigned DiagClass) const { |